ds1302.h

时钟芯片ds1302 程序 源程序按版本号放在文件夹中。里面有在Protues中仿真的DSN文件。 打开MPLAB的MCP文件进行编译 将DSN文件载入Protues中 将生成的HEX导入到P

/***********************************
*  Company :  HSLCN
* 
*  Filename:  DS1302.h
*  Summary :  A declaration File
* 
*  Version :  1.0
*  Author :   lxyppc
*  CreateDate:2007-1-26
* 
*  Copyright (C) 2007 : lxyppc
*  All rights reserved.
************************************/
#ifndef   DS1302_H
#define   DS1302_H

/*Define DS1302 command byte
*bit0 is Write and read control, 1 is read, 0 is write
*bit1 - bit5 is address bits, so we must use a shift left command
*to rise the normal address in command byte
*for the Time RAM, only 0-8 is available
*if the address bits set to 11111, start the brust mode
*bit6 is time and RAM control
*1 is for the RAM operation,0 is for the Time operation
*/
#define WriteTimeCMD(addr)    0B10000000|(addr<<1)
#define WriteRAMCMD(addr)     0B11000000|(addr<<1)
#define WriteTimeAllCMD       0B10111110
#define WriteRAMAllCMD        0B11111110

#define ReadTimeCMD(addr)    0B10000001|(addr<<1)
#define ReadRAMCMD(addr)     0B11000001|(addr<<1)
#define ReadTimeAllCMD       0B10111111
#define ReadRAMAllCMD        0B11111111


//define the special address in DS1302
#define DS_Second   0
#define DS_Minute   1
#define DS_Hour     2
#define DS_Date     3
#define DS_Month    4
#define DS_Day      5
#define DS_Year     6
#define DS_Control  7
#define DS_Charger  8

// command of setting the charger
// use and (&) to join them
#define Charge_ON   0B10101111
// use 2 Diodde
#define Charge_2D   0B11111011
// use 1 Diode
#define Charge_1D   0B11110111
// use 2K resistor
#define Charge_R2K  0B11111101
// use 4K resistor
#define Charge_R4K  0B11111110
// use 8K resistor
#define Charge_R8K  0B11111111
//disable charger
#define Charge_OFF  0B00000000


//When read time in brust mode, we must read all the 8 time bytes
//at one time, the bytes are second, minute, hour, date, month, day, year
//and include control byte
//so when read time in brust mode, we needn't define the number 
//of data bytes to read, just set to 8
#define TimeBrust   8


#endif